Biofuel policies in Tanzania
- Mohamed, Sarah, Fraser, Gavin C G, Sawe, Estomih N
- Authors: Mohamed, Sarah , Fraser, Gavin C G , Sawe, Estomih N
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/471167 , vital:77425 , ISBN 978-94-007-2181-4 , https://doi.org/10.1007/978-94-007-2181-4_15
- Description: Tanzania’s energy consumption is dominated by biomass, most of which is consumed by households. Apart from biomass, the country has extensive hydropower, coal and natural gas resources. The overwhelming dependence on biomass for basic cooking and heating needs by the majority in Tanzania, is a major cause of poverty and several other deleterious effects. As a consequence of the harmful effects of fossil fuels, biofuels are seen as a source of sustainable growth to help alleviate poverty in Tanzania. In this chapter, present policies and other framework conditions influencing the development of the biofuel sector in Tanzania are investigated. This includes the Tanzanian Energy Policy, Land Act, National Forest Policy, National Environment Policy, Agricultural Sector Development Policy, and the Tanzanian Transport Policy. The necessity for policies directly related to biofuel production is discussed. The Tanzanian government has established a Biofuels Task Force (BTF) in order to produce guidelines for the design of a set of appropriate policy initiatives. Due to the lack of formal biofuel policies, several external agencies have made recommendations on policies that the Tanzanian government should adopt. It is concluded that the policies existing in Tanzania are indirect and thus biofuel producers lack a reliable framework. Due to increasing biofuels, especially amongst small-scale farmers, the government must seek to provide these smallholders with incentives to grow their productions along with large-scale producers.
- Full Text:
- Authors: Mohamed, Sarah , Fraser, Gavin C G , Sawe, Estomih N
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/471167 , vital:77425 , ISBN 978-94-007-2181-4 , https://doi.org/10.1007/978-94-007-2181-4_15
- Description: Tanzania’s energy consumption is dominated by biomass, most of which is consumed by households. Apart from biomass, the country has extensive hydropower, coal and natural gas resources. The overwhelming dependence on biomass for basic cooking and heating needs by the majority in Tanzania, is a major cause of poverty and several other deleterious effects. As a consequence of the harmful effects of fossil fuels, biofuels are seen as a source of sustainable growth to help alleviate poverty in Tanzania. In this chapter, present policies and other framework conditions influencing the development of the biofuel sector in Tanzania are investigated. This includes the Tanzanian Energy Policy, Land Act, National Forest Policy, National Environment Policy, Agricultural Sector Development Policy, and the Tanzanian Transport Policy. The necessity for policies directly related to biofuel production is discussed. The Tanzanian government has established a Biofuels Task Force (BTF) in order to produce guidelines for the design of a set of appropriate policy initiatives. Due to the lack of formal biofuel policies, several external agencies have made recommendations on policies that the Tanzanian government should adopt. It is concluded that the policies existing in Tanzania are indirect and thus biofuel producers lack a reliable framework. Due to increasing biofuels, especially amongst small-scale farmers, the government must seek to provide these smallholders with incentives to grow their productions along with large-scale producers.
- Full Text:
Economic evaluation of sweet sorghum in biofuel production as a multi-purpose crop: the case of Zambia
- Chagwiza, Clarietta, Fraser, Gavin C G
- Authors: Chagwiza, Clarietta , Fraser, Gavin C G
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/471178 , vital:77426 , ISBN 978-94-007-2181-4 , https://doi.org/10.1007/978-94-007-2181-4_5
- Description: Increasing awareness of the environmental damage caused by the existing fossil fuel-based energy system and rising fossil fuel prices explain, in part, the growing interest in renewable energy sources. In March 2008, oil broke through the psychological ceiling of 100 US$ a barrel, and later in early June 2008 rose to 140 US$ on the way to 150 US$. In addition, rising issues on global warming have resulted in the need to consider alternative sources of energy. This also resulted in debates about biofuels in most developing and developed countries. Zambia is faced with an energy crisis from importation of large amounts of crude oil and the high cost of fuel and petroleum products. Sweet sorghum has been flagged as a potential biofuel feedstock in Zambia. This chapter evaluates different varieties of sweet sorghum and identifies production scenarios under which sweet sorghum can be produced in Zambia by the use of Gross Margin Analysis. It also evaluates notable trade-offs in producing sweet sorghum instead of grain sorghum. The results show that identifying high sweet sorghum yielding varieties and optimum production scenarios are important pre-requisites for the successful implementation of the use of sweet sorghum in biofuel production. The results indicate a positive relationship between the yield of sweet sorghum and the production regime.
- Full Text:
- Authors: Chagwiza, Clarietta , Fraser, Gavin C G
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/471178 , vital:77426 , ISBN 978-94-007-2181-4 , https://doi.org/10.1007/978-94-007-2181-4_5
- Description: Increasing awareness of the environmental damage caused by the existing fossil fuel-based energy system and rising fossil fuel prices explain, in part, the growing interest in renewable energy sources. In March 2008, oil broke through the psychological ceiling of 100 US$ a barrel, and later in early June 2008 rose to 140 US$ on the way to 150 US$. In addition, rising issues on global warming have resulted in the need to consider alternative sources of energy. This also resulted in debates about biofuels in most developing and developed countries. Zambia is faced with an energy crisis from importation of large amounts of crude oil and the high cost of fuel and petroleum products. Sweet sorghum has been flagged as a potential biofuel feedstock in Zambia. This chapter evaluates different varieties of sweet sorghum and identifies production scenarios under which sweet sorghum can be produced in Zambia by the use of Gross Margin Analysis. It also evaluates notable trade-offs in producing sweet sorghum instead of grain sorghum. The results show that identifying high sweet sorghum yielding varieties and optimum production scenarios are important pre-requisites for the successful implementation of the use of sweet sorghum in biofuel production. The results indicate a positive relationship between the yield of sweet sorghum and the production regime.
- Full Text:
Ethical deliberations in environmental education workplaces: a case story of contextualised and personalised reflexivity
- Authors: Olvitt, Lausanne L
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/437421 , vital:73377 , ISBN 9789086867578 , https://doi.org/10.3920/9789086867578_0010
- Description: This chapter explores the fluidity and complexity of individual ethical deliberations in an environmental education workplace and ‘teases out’the associated learning processes. Based on the author’s recent doctoral research, the chapter tells the story of one South African environmental educator grappling with environmentoriented ethical tensions in his work. These ten-sions range from immediate officebased concerns such as paper wastage, to wider concerns such as lowering his carbon footprint through his choice of transport. The environmental educator has recently completed a one-year part-time course in environmental education. Does the course’s new capital of concepts and terminology influence his ethical deliberations? Does learning about environmental philosophies and other people’s ethical dilemmas support him to deepen his engage-ment with ethical tensions in his ownwork? The case study suggests that course-based learning processes are not espe-cially influential until they interface with the multi-layered soci-ocultural and historical dynamics in work-based and home-based ethical deliberations. Deciding what is ‘right’, and then teaching others about that ‘rightness’ is not as simple as know-ing the facts or norms, and acting on them. Past experiences, cultural norms, religious convictions, power gradients and even logistical constraints, all influence the nature and outcome of individual ethical deliberations, as do people’s future aspira-tions and their professional identities as environmental educa-tors.
- Full Text:
- Authors: Olvitt, Lausanne L
- Date: 2012
- Subjects: To be catalogued
- Language: English
- Type: text , book chapter
- Identifier: http://hdl.handle.net/10962/437421 , vital:73377 , ISBN 9789086867578 , https://doi.org/10.3920/9789086867578_0010
- Description: This chapter explores the fluidity and complexity of individual ethical deliberations in an environmental education workplace and ‘teases out’the associated learning processes. Based on the author’s recent doctoral research, the chapter tells the story of one South African environmental educator grappling with environmentoriented ethical tensions in his work. These ten-sions range from immediate officebased concerns such as paper wastage, to wider concerns such as lowering his carbon footprint through his choice of transport. The environmental educator has recently completed a one-year part-time course in environmental education. Does the course’s new capital of concepts and terminology influence his ethical deliberations? Does learning about environmental philosophies and other people’s ethical dilemmas support him to deepen his engage-ment with ethical tensions in his ownwork? The case study suggests that course-based learning processes are not espe-cially influential until they interface with the multi-layered soci-ocultural and historical dynamics in work-based and home-based ethical deliberations. Deciding what is ‘right’, and then teaching others about that ‘rightness’ is not as simple as know-ing the facts or norms, and acting on them. Past experiences, cultural norms, religious convictions, power gradients and even logistical constraints, all influence the nature and outcome of individual ethical deliberations, as do people’s future aspira-tions and their professional identities as environmental educa-tors.
- Full Text:
Targeting conserved pathways as a strategy for novel drug development: disabling the cellular stress response:
- Edkins, Adrienne L, Blatch, Gregory L
- Authors: Edkins, Adrienne L , Blatch, Gregory L
- Date: 2012
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/165129 , vital:41211 , ISBN 978-3-642-28174-7 , DOI: 10.1007/978-3-642-28175-4_4
- Description: The ability to respond to and cope with stress at a molecular level is essential for cell survival. The stress response is conserved across organisms by the expression of a group of molecular chaperones known as heat shock proteins (HSP). HSP are ubiquitous and highly conserved proteins that regulate cellular protein homeostasis and trafficking under physiological and stressful conditions, including diseases such as cancer and malaria. HSP are good drug targets for the treatment of human diseases, as the significant functional and structural data available suggest that they are essential for cell survival and that, despite conservation across species, there are biophysical and biochemical differences between HSP in normal and disease states that allow HSP to be selectively targeted. In this chapter, we review the international status of this area of research and highlight progress by us and other African researchers towards the characterisation and targeting of HSP from humans and parasites from Plasmodium and Trypanosoma as drug targets.
- Full Text:
- Authors: Edkins, Adrienne L , Blatch, Gregory L
- Date: 2012
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/165129 , vital:41211 , ISBN 978-3-642-28174-7 , DOI: 10.1007/978-3-642-28175-4_4
- Description: The ability to respond to and cope with stress at a molecular level is essential for cell survival. The stress response is conserved across organisms by the expression of a group of molecular chaperones known as heat shock proteins (HSP). HSP are ubiquitous and highly conserved proteins that regulate cellular protein homeostasis and trafficking under physiological and stressful conditions, including diseases such as cancer and malaria. HSP are good drug targets for the treatment of human diseases, as the significant functional and structural data available suggest that they are essential for cell survival and that, despite conservation across species, there are biophysical and biochemical differences between HSP in normal and disease states that allow HSP to be selectively targeted. In this chapter, we review the international status of this area of research and highlight progress by us and other African researchers towards the characterisation and targeting of HSP from humans and parasites from Plasmodium and Trypanosoma as drug targets.
- Full Text:
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